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FESTO
Pneumatic valves and valve manifolds
Directional control valves
vuws-lt20-b52-n18
FESTO
Directional control valves
vuws-lt20-b52-n18
Product Model
vuws-lt20-b52-n18
Material Number
577535
Product ID
15182
Stock on Request
Last updated: 8/29/2026
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Technical Specifications
Detailed engineering parameters based on manufacturer documentation
Specifications may be subject to change without notice
Parameter
Value
Parameter
Value
Valve function
5/2, bistable
Actuation type
Pneumatic
Valve size
21mm
Standard nominal flow rate
500l/min
Pneumatic working port
1/8 NPT
Operating pressure
1.5bar 10bar
Structural design
Plate seat
Certification
c UL us - Recognized (OL)
Nominal width
5mm
Exhaust air function
With flow control option
Sealing principle
Soft
Mounting position
Any
Manual override
None
Type of control
Direct
Pilot air supply port
Internal
Flow direction
Non-reversible
Symbol
00995840
Lap
Underlap
Pilot pressure MPa
0.15MPa 1MPa
Pilot pressure
1.5bar 10bar
Changeover time
4ms
Explosion prevention and protection
Observe the information on the certificate Zone 1 (ATEX) Zone 2 (ATEX) Zone 21 (ATEX) Zone 22 (ATEX)
Operating medium
Compressed air as per ISO 8573-1:2010 [7:4:4]
Information on operating and pilot media
Operation with oil lubrication possible (required for further use)
Vibration resistance
Transport application test with severity level 2 as per FN 942017-4 and EN 60068-2-6
Shock resistance
Shock test with severity level 2 as per FN 942017-5 and EN 60068-2-27
Corrosion resistance class (CRC)
2 - Moderate corrosion stress
LABS (PWIS) conformity
VDMA24364-B1/B2-L
Cleanroom class
Class 6 according to ISO 14644-1
Temperature of medium
-10°C 60°C
Pilot medium
Compressed air as per ISO 8573-1:2010 [7:4:4]
Ambient temperature
-10°C 60°C
Product weight
192g
Type of mounting
Optionally: On terminal strip With through-hole
Venting hole connection
Not ducted
Pilot air port 12
10-32 UNF-2B
Pilot air port 14
10-32 UNF-2B
Pneumatic connection 1
1/8 NPT
Pneumatic connection 2
1/8 NPT
Pneumatic connection 3
1/8 NPT
Pneumatic connection 4
1/8 NPT
Pneumatic connection 5
1/8 NPT
Note on materials
RoHS-compliant
Seals material
HNBR NBR TPE-U(PU)
Housing material
Die-cast aluminum Painted
Material of screws
Steel, galvanized
Manufacturer ID
577535
vuws-lt20-b52-n18 Festo | INDSLT
